Home / 157,934.82-217,949.70-89,951.79

Finding the Fourth Proportional to 157,934.82, 217,949.70 and 89,951.79

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Solution

The fourth proportional to 157,934.82, 217,949.70 and 89,951.79 is: 124,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,934.82 : 217,949.70 = 89,951.79 : x
  2. Step 2: Convert to fraction form
    157,934.82/217,949.70 = 89,951.79/x
  3. Step 3: Cross multiply
    157,934.82x = 217,949.70 × 89,951.79
  4. Step 4: Simplify right side
    157,934.82x = 19,604,965,644.96
  5. Step 5: Solve for x
    x = 19,604,965,644.96/157,934.82
  6. Step 6: Final answer
    x = 124,133.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.